<template>
    <div class="login_container">
        <section class="login_box">
            <!-- 头像区 -->
            <div class="avatart_box">
                <img src="../assets//logo.png" alt="login" />
            </div>
            <!-- 表单区 -->
            <el-form label-width="0px" class="login_form" :model="loginForm" :rules="loginRules" ref="loginForm">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input prefix-icon="iconfont icon-3702mima" v-model="loginForm.password" @keyup.native.enter="login"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetForm">重置</el-button>
                </el-form-item>
            </el-form>
        </section>
    </div>
</template>

<script>
export default {
    data() {
        return {
            loginForm: {
                username: "",
                password: "",
            },
            loginRules: {
                username: [
                    {
                        required: true,
                        message: "请输入用户名",
                        trigger: "blur",
                    },
                    {
                        min: 4,
                        max: 10,
                        message: "长度在 4 到 10 个字符",
                        trigger: "blur",
                    },
                ],
                password: [
                    { required: true, message: "请输入密码", trigger: "blur" },
                    {
                        min: 6,
                        max: 15,
                        message: "密码长度6-15位",
                        trigger: "blur",
                    },
                ],
            },
        };
    },
    methods: {
        resetForm() {
            this.$refs.loginForm.resetFields();
        },
        login() {
            this.$refs.loginForm.validate(async (valid) => {
                // 验证有误
                if (!valid) return;
                // 发送请求
                const result = await this.$http.post(
                    "login",
                    this.loginForm
                );
            
                if (result.meta.status !== 200)
                    return this.$message.error("登录失败");
                this.$message.success("登录成功");
                sessionStorage.setItem("token", result.data.token);
                this.$router.replace("/home");
            });
        },
    },
};
</script>

<style lang="less" scoped>
.login_container {
    background-color: #2b4b6b;
    height: 100%;
    .login_box {
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        .avatart_box {
            height: 130px;
            width: 130px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
    }
}
.login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.btns {
    text-align: center;
}
</style>>
